Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
theo thu » theo chu, theo tu, theo tieu
thu sach » tu sach, thuat sach, thuoc sach
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo thu sach - hanh tranh cua hang ((cong dong) OR (cong tan)) toan cao~.
• Adding a wildcard symbol may retrieve word variants: theo thu sach - hanh tranh cua hang ((cong dong) or (cong tan)) toan cao*.